Strengthened and resistant hair thanks to a maschera intensely hydrating | The maschera strengthening KERASILK Specialists Strengthening Mask will help you improve the quality and appearance of fine, weak or limp hair. It effectively strengthens and strengthens the structures of dry and weakened hair, providing them with intense and long-lasting hydration without weighing them down. Thanks to its hydration, it fills the individual hair fibers from the inside, leaving them up to 18 times stronger. You will also experience increased resistance and 99% less hair breakage.